Add 18/15 and 27/7
1st number: 1 3/15, 2nd number: 3 6/7
18/15 + 27/7 is 177/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
18/15 = 18 × 7/15 × 7 = 126/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
27/7 = 27 × 15/7 × 15 = 405/105 - Add the two like fractions:
126/105 + 405/105 = 126 + 405/105 = 531/105 - 531/105 simplified gives 177/35
- So, 18/15 + 27/7 = 177/35
In mixed form: 52/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/15+27/7 18/15+54/7 18/30+27/7 18/15+27/14 54/15+27/7 18/15+81/7 18/45+27/7 18/15+27/21 90/15+27/7 18/75+27/7 18/15+27/35 18/15+27/49